Non-thermal Radio Emissions from Extrasolar Planets

Details Non-thermal Radio Emissions from Extrasolar Planets Non-thermal Radio Emissions from Extrasolar Planets

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..321..160z&link_type=abstract

Extrasolar Planets: Today and Tomorrow, ASP Conference Proceedings, Vol. 321, held 30 June - 4 July 2003, Institut D'Astrophysiq

Astronomy and Astrophysics

Astrophysics

7

Scientific paper

We briefly review the magnetospheric low frequency radio radiation from solar system planets and discuss their detectability at stellar distances (parsecs) against galactic background fluctuations. Extrapolation of radio emission energetics to the case of extrasolar planets -- especially hot Jupiters -- is performed on the basis of two scaling laws derived from solar system planets radio emissions. Intensities 103 to 105 higher than Jupiter's decameter radiation are predicted for hot Jupiters, which may thus be detectable with the largest radiotelescopes presently existing or in construction. Ongoing searches at UTR-2 (Kharkov) and at the VLA (New Mexico) are described. They did not provide yet any positive detection. Future low frequency arrays such as LOFAR should allow detection of the predicted radio fluxes.

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